Electric kettle



FIG. 1 is a perspective view of an electric kettle;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawing depict portions of the electric kettlethat form no part of the claimed design.

CLAIM The ornamental design for an electric kettle, as shown and described. 